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Figure 80. The rapid retreat of Columbia Glacier, Alaska, during 1978–2001 observed and documented using the Advanced Spaceborne Thermal Emission and reflection Radiometer (ASTER), and other imaging systems, such as Landsats 3, 5, and 7 and the U.S. Department of Energy’s Multispectral Thermal Imager (DOE MTI). Image panels left to right: (1) ASTER L1B bands 3, 2, 1, SC: AST_L1A.003 (2004702997) as red, green, blue, acquired on 24 October 2001 at 21:30:18 UTC; (2) MTI DOE (false-color infrared) acquired on 23 September 2001 at 20:25:40 UTC; (3) MTI DOE (color infrared), acquired on 20 March 2001 at 20:41:29 UTC; (4) ETM+ image ID 7067017000017650, band 8, acquired on 24 June 2000 at 20:53 UTC; (5) TM5 image ID 5067017008620910 (Path 67 , Row 17) band 4, acquired on 28 July 1986 at 20:23 UTC; and (6) Landsat 3 MSS acquired on 26 August 1978 at 19:27 UTC ID: p073-17-3m 19780826. The panel on the right includes sketches of 1982–2001 locations of the terminus. Images and caption courtesy of Rick Wessels, U.S. Geological Survey, Alaska Volcano Observatory, Anchorage, Alaska. See also Krimmel (2008, p. K54–K74, figs. 42–56).